CVE-2011-2493
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 2.6.39之前版本中的fs/ext4/super.c中的ext4_fill_super函数中存在漏洞，该漏洞源于未正确初始化某些错误报告数据结构。本地用户可利用该漏洞通过试图安装一个特制的ext4文件系统导致拒绝服务(OOPS)。
Possible ATT&CK Techniques 3 AI
T1505 · Server Software Component T1498 · Network Denial of Service T1531 · Account Access Removal
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I. Basic Information for CVE-2011-2493
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The ext4_fill_super function in fs/ext4/super.c in the Linux kernel before 2.6.39 does not properly initialize a certain error-report data structure, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux Kernel ‘ext4_fill_super’ 函数拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 2.6.39之前版本中的fs/ext4/super.c中的ext4_fill_super函数中存在漏洞，该漏洞源于未正确初始化某些错误报告数据结构。本地用户可利用该漏洞通过试图安装一个特制的ext4文件系统导致拒绝服务(OOPS)。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2011-2493
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2011-2493 (2)
Mailing List Discussions for CVE-2011-2493 (1)
Other References for CVE-2011-2493 (1)
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http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 x_refsource_CONFIRM
Same Patch Batch · n/a · 2012-06-13 · 32 CVEs total
| CVE-2011-2182 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2012-2041 | Adobe ColdFusion 代码注入漏洞 | |
| CVE-2012-1889 | Microsoft XML Core Services缓冲区错误漏洞 | |
| CVE-2012-2390 | Linux kernel 资源管理错误漏洞 | |
| CVE-2012-2384 | Linux kernel 数字错误漏洞 | |
| CVE-2012-2383 | Linux kernel 数字错误漏洞 | |
| CVE-2012-2375 | Linux kernel 数字错误漏洞 | |
| CVE-2012-2313 | Linux Kernel ‘rio_ioctl’ 函数权限许可和访问控制问题漏洞 | |
| CVE-2011-2496 | Linux Kernel ‘vma_to_resize’ 函数数字错误漏洞 | |
| CVE-2011-2495 | Linux Kernel ‘fs/proc/base.c’ 权限许可和访问控制问题漏洞 | |
| CVE-2011-2494 | Linux Kernel ‘taskstats’ 本地安全绕过漏洞 | |
| CVE-2011-2211 | Linux Kernel ‘osf_wait4’ 函数权限许可和访问控制问题漏洞 | |
| CVE-2011-2210 | Linux kernel ‘osf_getsysinfo’ 函数权限许可和访问控制问题漏洞 | |
| CVE-2011-2209 | Linux Kernel ‘osf_sysinfo’ 函数数字错误漏洞 | |
| CVE-2011-2208 | Linux Kernel ‘osf_getdomainname’ 函数数字错误漏洞 | |
| CVE-2011-2183 | Linux kernel ‘scan_get_next_rmap_item’ 函数竞争条件漏洞 | |
| CVE-2011-2545 | Cisco SPA8000/SPA8800跨站脚本漏洞 | |
| CVE-2011-1927 | Linux Kernel 'ip_expire()'拒绝服务漏洞 | |
| CVE-2011-1768 | Linux Kernel Tunnels Initialization例程拒绝服务漏洞 | |
| CVE-2011-1767 | Linux Kernel IP GRE模块空指针解引用拒绝服务漏洞 |
Showing top 20 of 32 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2011-2493
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